URO 31216793923 Steering Knuckle - Front Left

Overview

URO steering knuckle part number 31216793923 is a new replacement component for select BMW front left applications. It is built from aluminum and supplied in gray finish, with hub and axle included for the specified fitments.

Compatible with BMW 128i, 135i, 135is, 325i, 328i, 330i, 335i, 335is, 335d, and Z4 applications, this steering knuckle is intended for direct replacement use where the original assembly has worn, damaged, or corroded.

Key Features

• Aluminum construction for a lightweight steering knuckle assembly.
• New replacement part, not remanufactured.
• Hub included for the listed applications.
• Axle included for the listed applications.
• URO replacement part number 31216793923.

Detailed Description

This URO steering knuckle, part number 31216793923, is engineered for BMW front left fitments across multiple 3 Series, 1 Series, and Z4 models. The aluminum construction and integrated hub and axle details make it a practical replacement when the original knuckle is no longer serviceable. For buyers searching for a BMW steering knuckle replacement or a front left steering knuckle for BMW 328i, 335i, or Z4 applications, this part provides a direct-match option under the URO catalog.

URO Parts is positioned as a replacement line for European vehicles and is known for OE-spec replacement components. This part cross-references BMW 31 21 6 764 443 and BMW 31 21 6 793 923 for the same application.

Common Problems This Part Can Address

• Cracked or bent steering knuckle housing.
• Excessive play or wear at the hub mounting area.
• Damage from impact, curb strike, or suspension failure.
• Corrosion or fatigue in the original steering knuckle assembly.
• Need for a replacement assembly during front suspension repair.

Installation Notes and Tips

Verify fitment by matching the vehicle year, model, and front left position before installation. Because this assembly includes hub and axle components for the listed applications, inspect related suspension and steering parts for wear during service. Professional installation and alignment checks are recommended after steering knuckle replacement.

Quality Assurance

URO Parts replacement components are manufactured to meet or exceed OEM specifications for European vehicle applications. Part number 31216793923 is a new component from the URO line.